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Vigil@nce - ECDSA/EdDSA: information disclosure via Side-channel Key Recovery

December 2019 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2

SYNTHESIS OF THE VULNERABILITY

Impacted products: Debian, SnapManager, Java OpenJDK, openSUSE Leap, Java Oracle, RSA Authentication Manager, SafeNet eToken, SUSE Linux Enterprise Desktop, SLES.

Severity: 2/4.

Consequences: data reading.

Provenance: user shell.

Confidence: confirmed by the editor (5/5).

Creation date: 04/10/2019.

DESCRIPTION OF THE VULNERABILITY

An attacker can bypass access restrictions to data via Side-channel Key Recovery of ECDSA/EdDSA, in order to obtain sensitive information. This vulnerability is the origin of VIGILANCE-VUL-30098, VIGILANCE-VUL-30205 and VIGILANCE-VUL-30534.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/...




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